Re: too many sessions. can't logon to the unity administration p
If folks are signing into the SA and not logging out (i.e. just jumping to another site or closing IE out directly) it can "burn" sessions. For the SA there are only 5 allowed at one time. You can bounce the IIS and WWW services in the service control manager which will reset all the session info in the system.
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.